//Variablen
int led_pin = 6;

//Initialisieren
void setup() {
  // put your setup code here, to run once:
pinMode(led_pin, OUTPUT);
}

//Schleife
void loop() {
  // put your main code here, to run repeatedly:
//Led Fading
for (int i = 0; i < 255; i++)

{analogWrite(led_pin, i);
delay (20);
}

analogWrite(led_pin, 0);
delay(1000);

}